Headlight



June 1 1926. A 1,586,578

. l. D. ROBERTSON Er A.

HEADLIGHT Filed August 2s.' 1925 2 sheets-sheet 1 l//fTT` 14 16 1o 1171?Y 16- a@ m4/m atkozueq Jue 1 1926. 1,586,578

- l. D. ROBERTSON ET AL HEADLIGH'I'Y l FledlAugust 28, 1925 2Sheets-Sheet 2 Patented Juncal, 'y i' A Y i 'i n Isaac/D.eroaamyqgaan yv cnnntastonl, @SOUTH cartonna.

HEADLIGH'L Application ined .Aagiisrtwzsi 1925. Yserial No. $3,048..This invention relates to headlights V.ter Wheels'D'and E i'sclearlyshown in F ig. 2,' use inconnection With motorl Vehicles, saidand'fcoinprises the' rod Gr operatively con# f headlights beingautomatic in', their action nected at its enclsfby arms H to saidWheels, and operation. y ,f Therodf I has one end "connected 'by ball#lAn important vobjectof the inventionreand-socketV means toene Aend o'said rody 60y sides in the provision of meax'is whereby theV G, While.its vtlier:.end iscon'nected to the" f lights will be.V positively underthe con-trol. steering mechanism Kpositicned beloii/ the etanychangeiinfthe `direction of thefiesteering coluinnJ (see F ig.`5). 'fI hicle7 that is, right or left hand turns. The abiie comprises hegeneral assem- 10 Anotherobjectroi the invention is to pr-y blagev 'ofthis particular part o'fua mtorl 65 vide means whereby each lightfmayfbetiirn`-- vehicle and* as ltli'eyarefyery Well-known 'Y ed independent ofitscompanion light. those `skilled in-this art, a further detailed 1 rAstill further Object is the adaptation'y descriptionor illustration isdeemedilur'inecv of means 'for rendering vthe light-tiirningfessay f t.n 15 mechanism inoperativeat will; f Y f Passing new tothe detailedAdescription of 70 The invention furtheryconsistsin lthe fea ourinvention propenthe *niir'nealV 10 de-y 1 tures and combinationandarrangenent of notes a rotatable sha-tt extending transverse partshereinafter described and ,particularly of the front o'fga motorvehicle, just above y pointed out inthe claimsQ Y t andr in frontlofftheaxle Fl Both ends of e In the'drawings `accompanying thisl specif saidshaft are journalled in bearii'igs 11and175 i iication-f` s Y 9 s* 12securiedtothe loiyertlanges of thegchan'# Figure 1 is an elevation ofvmy invention nel-members 13 andi-111. ySaid shaft 10,1 is as Viewedfromthe trontfci" a motor `Vehicle. operated by the steeringmechanisni J(see v The parts of the motor' vehicleare shown i' F igf) randinterposed v'between the two' 'ele-i" somewhat diagrammatically,"butsuch shoiy- L ments isV a crank 15 and a rodflG, the rlatter S0 ing isAbelieved ample to illustrate. the. ashaving one endprcvi'ded With kraballV 'to semblage.v j engage a socketed portioninsaidfcranli 15V7 Fig.2 isa PlanviewgV a .portion 'ofthe While'itsother e'nd is securedgto thearinf f mechanism depicting a light turned "at the thersteeringmech'anisni K. Figures 2 and 30 same `angle as its adjacent.i'ron't Wheel of fshonld be considered `rfor a clear uiidei-, 85 thewhich *i i I standng of theabove.r f i y takenon the line 3-3 of Fig -1.While making .a left-'handturnlthe arm .of the ths 'View shows theassemblageot certain steeringmechanism K tu'rns rearwardly ofylight-supporting meanaitfurth'er illiistrates Vthe machine',V thusdrawingfthe rod 1 6 in '90 -the cooperating bevel gears. a similardirection and rotating Vsaid shaft Fig. fi is a sectional detailillustrating thef, conteij-clockwise- -Then the ,vehicle makeslpositiontotV another f pair of gears located a rightfhand turn the afinofthesteering`r Fig. 3 is a Vertical longitudinal' section It ismanifest tliat-iylieii. the Li'ehicle adjacent the rightehandlightasyieivedin mechanism rotateaforwardly and exerts a` f '40 Figi.push yn safidred 16, thereby lrotatir'i'g said 95 55 yThe mechanismVVoperating the ront of the lamp brackets 21. The particular Fig; 5 isan elevation', with parts'brdken s haft 10 in the 'reverse' directionhereinbe-V away',showing the connection of an-r operativV vfore setforth. ing rod with theysteerng mechanism of a Y As isk no w'quiteapparentfluse" thsrovehicle.- jf Y Y z f tative motion' imparted to saidshaft 10 o o Fig.- 6 is Van :elevation off certain clutch independentlyoperate' the lights or lamps 100 elements; and Ui I I Afand B,'andin-orde'rthat on`e lzind'otro- Figs. 7 and 8 are details thereof. 4v'tation maybeconinninicated to 'the properkvk 1n carrying ont ourinvention'we proyide lamp and the otherlind ofrotation 'toits I lights Agand Bj, positionedadjacent the vcompanion lanp' each independent of thef automob-'le radiator C, and adapt each light other;` I spline thesegmental'gear' 17 011105 to assume the same angle as its adjacent saidshaft 1()y anda similar gear' 1S at the `Wheel D and E respectively. Thelatter are other extremity'` vEach of these gears are f connectech ofcourse, by kthe usual front adapted to mesh with the bevel gears 19 andaxle F. c 20 respectively, monntedon the lower end mounting of saidsegmental gears 17 and 18 will be clearly understood upon inspection ofF igs, 3 and 4 and is also the position assumed when the vehicle istravelling in a straight line. The gears are also in this position inFig. 1.

Thus when the machine is making a lefthand turn, as shown in Fig. 2, therearward pull on the rod 16 rotates said gear` 17 in the direction ofthe arrow (Fig. 4) which motion is communicated to the shaft 21 of thebracket 21, thus rotating the lamp B in conjunction with the front wheelE. Similarly, when a right-hand turn is being made the forward pushexerted on the rod 16 rotates the gear 18 in the direction of the arrow(Fig. 3) which meshes with gear 20 and also imparts rotative motion tothe shaft 21h of the bracket 21. The lamp A now assumes the sameangularity as the other front wheel D.` It should be notedthat eachparticular rotation imparted to the gears 17 and 18, serves to rotatethe other free from its companion gear, so that, mother words,

` one gear is inoperative while the other is operative.

Each lamp is provided with an improved bracket 21, the lower end, orshaft portions thereof (21a and 21") are adapted to be housed within atubular casing 23, which is provided with bushings 24 and 25 adjacentits extremities. VThe lower' ends of the shafts 21a and 21b are reducedin diameter' for the reception of bevel gears 19 and 2O as previouslydescribed. A thrust collar 26 encircles the shafts and thus firmly holdsthe casing 23 in position between itself and the hubs on the bevelgears. Intermediate the bushings 24 and 25, said shafts 21 and 21b arereduced in diameter and encircled therearound are coiled springs 27,the'upper end thereof being secured to said casing 23, while its otherend is fastened to the shaft. This spring absorbs any undue vibrationsof the lamps and materially assists in gently returning the lamps totheir original positions at the termination of the turn.

Each of the lamps are provided with the above described mechanism and inmounting the same to the machine we have provided depending angularbrackets 2S and 29, which engage the channel-members 13 and 14respectively, as clearly shown in Fig. 1.

ln order to remove the influence of the turning of the wheels on thelamps, we have adopted a simple clutch mechanism as shown in Fig. 6,which may be operated frointhe drivers seat by any well-knownclutch-operating mechanism.

Said clutch mechanism comprises male and female members 30 and 31respectively, the latter being fixed to said shaft 10, while the Aformeris provided with an hexagonal opening 32, adapted to ride over thehexagonal head 33 on the end of said shaft 10. The member 30 is providedwith pins 34, which are adapted to register with the aligned openings 35in said member 31. The clutch-actuating mechanism will slide the member30 upon the hexagonal head 33 and eect engagement or disengagement asdesired.

In order to support the shaft 10 when disengagement is effected wesupport the same in a hanger 3G depending from the casing 23.

Thus we have disclosed a combination of elements designed toautomatically operate automobile headlights, which will turn the rightlamp at the same angle as the right front wheel and also turn the leftlamp at the same angle as the left front wheel, when said vehicle ismaking turns to the iight and left respectively.

1. The combination of a motor vehicle having steering means, a pair ofspaced headlights, a pair of vertical shafts connected to saidheadlights, a transverse shaft supported beneath said vertical shafts,means for connecting said shaft to said steering means, a pair ofbeveled gears carried at the lower ends of said vertical shafts andsegmental gears carried by said trans verse shaft, each being adapted toengage its companion beveled gear, and turn the headlight in thedirection of the changed position of the vehicle.

2. The combination of a motor vehicle having steering means, a pair ofspaced headlights, a pair of vertical shafts connected to saidheadlights, casings for said shafts, a transv rse shaft positioned atthe lower ends of said vertical shaft-s, means for connecting saidtransverse shaft to said steering means, a pair of beveled gears carriedat the lower ends of said cal shafts, segmental gears carried by saidtrans-verse shaft, each being adapted to engage its companion beveledgear and turn the headlight in the direction of the changed position ofthe vehicle and resilient means eucircling said vertical shafts withinsaid casing for facilitating the return of said headlights to theiroriginal positions.

In testimony whereof we affix our sig natures.

ISAAC D. ROBERTSON. RICHARD H. ROBERTSON.

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